Inventor
Kyu Jin Choi
Inventor
Suwon-si, KR
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Fprimary
H03FAmplifiers36%
H10HInorganic light-emitting semiconductor devices having potential barriers27%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems9%
H03GControl of amplification9%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses9%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use9%
PatentTitleYear
10,972,056Bias circuit and amplifying device with dual compensation202110,924,062Power amplifying apparatus having bias boosting structure with improved linearity202110,911,002Multistage power amplifier with bias compensating function202110,892,719Multistage power amplifier with linearity compensating function20218,741,671'Method for manufacturing light emitting device having an active layer formed over a Ga-face'20148,643,045'Light emitting device'20148,426,885'Light emitting device'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2014Patents assigned to CHOI KWANGKI (3)· patent assignee history
2013–2014Patents assigned to JEONG HWANHEE (3)· patent assignee history
2013–2014Patents assigned to LG INNOTEK CO LTD (3)· patent assignee history
2013–2014Patents assigned to SONG JUNEO (3)· patent assignee history
2013–2014Based in Seoul, KR· patent location history
2021Patents assigned to SAMSUNG ELECTRO MECH (4)· patent assignee history
2021Based in Suwon-si, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SAMSUNG ELECTRO MECH | 4 | 2021 |
| CHOI KWANGKIself | 3 | 2013–2014 |
| JEONG HWANHEE | 3 | 2013–2014 |
| LG INNOTEK CO LTD | 3 | 2013–2014 |
| SONG JUNEO | 3 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Suwon-si, KR | 4 | 2021 |
| Seoul, KR | 3 | 2013–2014 |